Introduction to System learning C + +

C + + is the ______________ language, in 1979 in the ____________________ laboratory design developed, further expanded and improved the C language, is the _____________ programming language.

#include <iostream>
using namespace std;

int main ()
{
	cout<< "Hello world!" << Endl;
	return 0;
}

The above code is the basic C + + programming framework, with more, then more understand.

Endl is a newline character and can be replaced with \ n, but the two are actually different.

1 Std::endl is the operator of the flow, the output and "\ n" the same, output a line feed, and immediately flush the buffer.

2) "\ n" represents a string with a carriage return character.

Answer: Intermediate Bell Labs Object-oriented